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Defined in header `<functional>`

template< class T > struct logical_and;

Function object for performing logical AND (logical conjunction). Effectively calls operator&& on type T.

std::logical_and::operator()


bool operator()( const T& lhs, const T& rhs ) const;

Returns the logical AND of lhs and rhs.

lhs, rhs

-

values to compute logical AND of

The result of lhs && rhs.

(none)

bool operator()(const T &lhs, const T &rhs) const 
{
    return lhs && rhs;
}

std::logical_and


operator()	returns the logical AND of the two arguments (public member function)